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q what do you eman by digital circuitsthe use of nonlinear devices bjt and fet in constructing linear amplifiers although these devices are
consider a cs jfet amplifier with the following parameters r1 350 k r2 100 k rss 1200 rd 900 rl 1000 rs 2000 ro 15 kgm 6 times 10-3 scgs
a jfet for which va 80 v vp 4 v and idss 10 ma has a quiescent drain current of 3 ma when used as a common-source amplifier for which rd rss 1k
explain fet amplifiersjust like the bjt amplifiers fet amplifiers are constructed in common-source cs analogous to ce common-drain cd analogous to cc
explain the working of bjt amplifiersthe purpose of electronic amplifiers is essentially to increase the amplitude and power of a signal so that
given an n-channel enhancement mosfet having vt 4v k 015 av2 idq 05a vdsq 10 v and vdd 20 v using the dc design approach outlined in this
consider and obtain the values for rs r2 r1 and rd apply the rule-of-thumb dc design procedure outlined in this section for a jfet with vp 3v idss
apply the rule-of-thumb dc design presented in this section for a silicon npn bjt with beta 70 when the operating q point is defined by icq 15 ma
q explain about transistor amplifiersamplifiers are circuits that produce an output signal which is larger than but proportional to an input signal
q define integrated circuitsfor the fabrication of semiconductor circuits there are three distinct technologies employed1 discrete-component
an n-channel depletion mosfet for which idss 7ma and vp 4 v is said to be operating in the ohmic region with drain current id 1 ma when vds 08 v
q what is basic working of mosfetthe metal-oxide-semiconductor construction leads to the name mosfet which is also known as insulated-gate fet or
measurements made on the self-biased n-channel jfet shown in figure are vgs -1 v id 4 ma vgs -05v id 625 ma and vdd 15 va determine vp and idssb
q explain about overhauling of level xingeach level crossing except those laid with psc sleepers must be opened out and the condition of sleepers and
q protection of line in case of lsquostop dead restriction for carrying out a work of short duration on a single line section on a bg route
q explain census of traffic at level crossingsperiodical census of traffic at all level crossings unmannedmanned should be taken at least once in
q7- write the important items to be inspected during level crossing inspection how do you take census of traffic at level crossingans-important items
multi speed restriction ie existence of two or more than two speed restrictions in continuationwhen work of deep screening or sleeper renewal is in
q case of multi speed restrictionsposition of engineering indicators in case of multi speed restrictions on one of the line in a double line section
q explain about catch sidingsnormally all catch sidings except those which are sanded shall be kept alive on sanded catch siding the rails shall be
q what is assisted sidingan assisted siding is a siding to serve a factory mill or other industrial premises other than colliery or mining are
qwhat do you mean by slip sidingif the station yard is in a gradient steeper than 1 in 260 or there is a continuous falling gradient away from the
q what is the importance of general and subsidiary rules what is the main differences between the twoans- importance of general and subsidiary
q write briefly for trolley permitsit is the permit given to the moter trolley push trolley cycle moped trolley it is essential to have trolley
ion single line by one or two men as required following and proceeding the lorry at a distance of 600 m on the bg and 400 m on the mg amp ng carrying